Juglans regia (English Walnut) Walnut is originated from Europe and Asia. Large tree with a pinnate leaves with a very distinguish smell. Mature trees have deeply furrowed, gray bark. The flowers are very small appearing in the spring. The nuts appearing in early fall They are heavy, round, and surrounded by a greenish yellow husk that matures to brown. Walnut tree needs a minimum of 500 chilling ours but it differs among varieties. walnut will grow in full sun and loamy soil that is deep and fertile. It became a large tree when it matures. Landscape Information French Name: Noyer commun ﺟﻮﺯ ﺷﺎﺋﻊ :Arabic Name Pronounciation: JUG-lens REH-gee-uh Plant Type: Tree Origin: Europe, Asia Heat Zones: 1, 2, 3, 4, 5, 6, 7 Hardiness Zones: 4, 5, 6, 7, 8 Uses: Specimen, Shade, Edible Size/Shape Growth Rate: Moderate Tree Shape: Plant Image Canopy Symmetry: Irregular Canopy Density: Medium Canopy Texture: Fine Height at Maturity: 15 to 23 m Spread at Maturity: 10 to 15 meters Time to Ultimate Height: 20 to 50 Years Notes Walnut will affect the grows of plants underneath. The exudes from al parts of the tree ( roots, leaf) will block the growth of any plants underneath and around the tree. Juglans regia (English Walnut) Botanical Description Foliage Leaf Arrangement: Alternate Leaf Venation: Pinnate Leaf Persistance: Deciduous Leaf Type: Odd Pinnately compund Leaf Blade: 5 - 10 cm Leaf Shape: Oval Leaf Margins: Entire Leaf Textures: Medium, Coarse Leaf Scent: Pleasant Color(growing season): Green Color(changing season): Yellow Flower Flower Showiness: False Flower Color: Green Trunk Trunk Susceptibility to Breakage: Generally resists breakage Number of Trunks: Single Trunk Trunk Esthetic Values: Showy Fruit Flower Image Fruit Type: Nut Fruit Showiness: True Fruit Size Range: 3 - 7 Fruit Colors: Green, Brown Seasons: Fall Juglans regia (English Walnut) Horticulture Management Tolerance Frost Tolerant: Yes Heat Tolerant: No Drought Tolerant: Yes Salt Tolerance: Poor Requirements Soil Requirements: Clay, Loam, Sand Soil Ph Requirements: Acidic, Neutral Water Requirements: Low Light Requirements: Full, Part Management Toxity: Yes Invasive Potential: No Susceptibility to Pests and Diseases: Yes Pruning Requirement: Needed, to develop a strong structure Fruit/ Leaves/ Flowers litter: Yes Surface Rooting: Yes Life Span: More than 50 Diseases: Canker, Blights, Root rot Edible Parts: Seeds Pests: Mites, Caterpillars, Scales, Aphids Leaf Image Plant Propagations: Cutting, Grafting MORE IMAGES Fruit Image Bark Image Other Image.